Bug 2533890

Summary: CVE-2026-79699 podman: containers/storage: Malicious tar whiteout header allows replacement of extraction destination directory [fedora-all]
Product: [Fedora] Fedora Reporter: Ganesh <gnaik>
Component: podmanAssignee: Jan Kaluža <jkaluza>
Status: NEW --- QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: low Docs Contact:
Priority: low    
Version: rawhideCC: bbaude, debarshir, dwalsh, go-sig, jnovy, lsm5, mboddu, mheon, nicola.sella, patrick, pholzing, suraj.ghimire7
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["0424c5ac-65c7-4106-8c28-7358ed1523f6"]}
Fixed In Version: Doc Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On:    
Bug Blocks: 2523408    

Description Ganesh 2026-09-15 15:23:57 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Upstream (Podman team) reports Red Hat container tools are not directly vulnerable to this specific issue; affects external callers of the library API. PoC: Go test calling UnpackLayer with victim/.wh. whiteout entry removes victim directory. Patch available upstream, not yet released.
Comment 1 Fedora Admin user for bugzilla script actions 2026-09-23 21:47:17 UTC 
This package has changed maintainer in Fedora. Reassigning to the new maintainer of this component.